Heiman Cortissos and Sara de Vries married in 1907 in Amersfoort. They had three children: Reintje, Helena (who died in 1932) and Isidora.
Stadsarchief Amsterdam, archiefkaart Heiman Cortissos
In addition, a Jokos file (number 13715) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 2257/10695).